CH380594A - Ionization fire alarm system - Google Patents

Ionization fire alarm system

Info

Publication number
CH380594A
CH380594A CH1225960A CH1225960A CH380594A CH 380594 A CH380594 A CH 380594A CH 1225960 A CH1225960 A CH 1225960A CH 1225960 A CH1225960 A CH 1225960A CH 380594 A CH380594 A CH 380594A
Authority
CH
Switzerland
Prior art keywords
alarm system
fire alarm
ionization fire
ionization
fire
Prior art date
Application number
CH1225960A
Other languages
German (de)
Inventor
A Maeder Paul
Original Assignee
Securiton Ag
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Securiton Ag filed Critical Securiton Ag
Priority to CH1225960A priority Critical patent/CH380594A/en
Priority to AT793961A priority patent/AT248923B/en
Priority to DES76376A priority patent/DE1183838B/en
Priority to US148674A priority patent/US3235858A/en
Priority to BE609810A priority patent/BE609810A/en
Priority to GB3917361A priority patent/GB987995A/en
Publication of CH380594A publication Critical patent/CH380594A/en

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
    • G01N27/62—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating the ionisation of gases, e.g. aerosols; by investigating electric discharges, e.g. emission of cathode
    • G01N27/64—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating the ionisation of gases, e.g. aerosols; by investigating electric discharges, e.g. emission of cathode using wave or particle radiation to ionise a gas, e.g. in an ionisation chamber
    • G01N27/66—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating the ionisation of gases, e.g. aerosols; by investigating electric discharges, e.g. emission of cathode using wave or particle radiation to ionise a gas, e.g. in an ionisation chamber and measuring current or voltage
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B17/00—Fire alarms; Alarms responsive to explosion
    • G08B17/10—Actuation by presence of smoke or gases, e.g. automatic alarm devices for analysing flowing fluid materials by the use of optical means
    • G08B17/11—Actuation by presence of smoke or gases, e.g. automatic alarm devices for analysing flowing fluid materials by the use of optical means using an ionisation chamber for detecting smoke or gas
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B17/00—Fire alarms; Alarms responsive to explosion
    • G08B17/10—Actuation by presence of smoke or gases, e.g. automatic alarm devices for analysing flowing fluid materials by the use of optical means
    • G08B17/11—Actuation by presence of smoke or gases, e.g. automatic alarm devices for analysing flowing fluid materials by the use of optical means using an ionisation chamber for detecting smoke or gas
    • G08B17/113—Constructional details

Landscapes

  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Toxicology (AREA)
  • Electrochemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Fire-Detection Mechanisms (AREA)
  • Other Investigation Or Analysis Of Materials By Electrical Means (AREA)
CH1225960A 1960-11-02 1960-11-02 Ionization fire alarm system CH380594A (en)

Priority Applications (6)

Application Number Priority Date Filing Date Title
CH1225960A CH380594A (en) 1960-11-02 1960-11-02 Ionization fire alarm system
AT793961A AT248923B (en) 1960-11-02 1961-10-20 Ionization fire alarm system
DES76376A DE1183838B (en) 1960-11-02 1961-10-21 Ionization fire alarm system
US148674A US3235858A (en) 1960-11-02 1961-10-30 Ionization fire alarm system
BE609810A BE609810A (en) 1960-11-02 1961-10-31 Ionization fire alarm system
GB3917361A GB987995A (en) 1960-11-02 1961-11-01 Improvements in or relating to ionization fire alarm system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH1225960A CH380594A (en) 1960-11-02 1960-11-02 Ionization fire alarm system

Publications (1)

Publication Number Publication Date
CH380594A true CH380594A (en) 1964-07-31

Family

ID=4381351

Family Applications (1)

Application Number Title Priority Date Filing Date
CH1225960A CH380594A (en) 1960-11-02 1960-11-02 Ionization fire alarm system

Country Status (4)

Country Link
US (1) US3235858A (en)
AT (1) AT248923B (en)
CH (1) CH380594A (en)
DE (1) DE1183838B (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL298945A (en) * 1962-10-12
CH473431A (en) * 1966-05-09 1969-05-31 Cerberus Ag Werk Fuer Elektron Procedure for monitoring the operation of fire alarms
US3657713A (en) * 1969-06-02 1972-04-18 Nittan Co Ltd Device for testing ionization smoke detector
US3805259A (en) * 1970-12-29 1974-04-16 Inoue Japax Res Smoke and fire alarm system
US3987423A (en) * 1975-12-22 1976-10-19 The United States Of America As Represented By The United States Energy Research And Development Administration Ionization-chamber smoke detector system
US4027165A (en) * 1976-02-17 1977-05-31 The United States Of America As Represented By The United States Energy Research And Development Administration Ionization detection system for aerosols
US4238788A (en) * 1978-01-03 1980-12-09 Teledyne Industries, Inc. System for detecting a combustion process
US4456907A (en) * 1981-01-12 1984-06-26 Pyrotector, Inc. Ionization type smoke detector with test circuit

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2145866A (en) * 1929-08-14 1939-02-07 Gioacchino Failla Electrotechnique
BE393134A (en) * 1932-11-07
US2621239A (en) * 1950-08-22 1952-12-09 Photoswitch Inc Heat detector for aircraft
GB831812A (en) * 1957-02-01 1960-03-30 Minerva Detector Company Ltd Improvements in or relating to fire detectors
NL224264A (en) * 1957-10-24
CH355380A (en) * 1957-10-30 1961-06-30 Cerberus Gmbh Device for determining changes in the composition of a gas
US3056123A (en) * 1958-07-29 1962-09-25 Tung Sol Electric Inc Radiation alarm or the like

Also Published As

Publication number Publication date
AT248923B (en) 1966-08-25
DE1183838B (en) 1964-12-17
US3235858A (en) 1966-02-15

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